Here is the update: Went to ACE Hardware and bought a tube of anti-corrosion compound. Disconnected every connector in the electrical control box in front and the connectors on the radio. Put a small dab of the paste on each connector and fuse in the entire box. Reassembled everything and the radio came on with radio and camera functions all working. So again no blown fuses or anything else found to be bad. So far so good!
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